Extra Time podcast: How long can Rafa Nadal last? Roger Federer a favourite? Serena unstoppable? US Open predictions – Ep 67

Jon Turner, Jon Raymond and Graham Caygill look forward to the final tennis grand slam event of 2015, analysing some of the intriguing first-round matches including Andy Murray v Nick Kyrgios, as well as who will have a disappointing time in New York.